1、1.The material is selected from the diatomaceous earth of changbai mountain, which is natural and safe to use. 2、2.Internally developed void structure, rapid diffusion and rapid absorption 3、3.Will not let the table top Appear water, the coaster is beautiful and the water absorption is better. 4、4.Conveniently, it also adds a touch of quality life 5、5.Floor mats that will drink water, new upgrades, refusal Features: 1. The material is selected from the diatomaceous earth of changbai mountain, which is natural and safe to use. 2. Internally developed void structure, rapid diffusion and rapid absorption 3. Will not let the table top Appear water, the coasters is beautiful and the water absorption is better. 4. Conveniently, it also adds a touch of quality life 5. Floor mats that will drink water, new upgrades, refusal Specification: Condition: 100% brand new Material: Diatomaceous earth Applicable scene: Home Specifications: 22.5*7*0.9cm/8.8*2.7*0.3inch Optional style:  Lucky Grass, Small tree Package list: Coasters*1 Notice: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3 cm.